Pseudobahia bahiifolia

Hartweg's golden sunburst

Family: Asteraceae · Type: annual · Native

Conservation status: CNPS 1B.1 · Endangered

Hartweg's golden sunburst is a rare (CNPS 1B.1) California native annual found in central Sierra Nevada Foothills in Madera County and eastern San Joaquin Valley in grassland and open woodland at elevations of 100 to 200 meters. Flowering from March to May, this plant produces yellow flowers in small heads with distinctive involucres. Growing 5 to 20 centimeters tall with delicate linear-oblanceolate leaves, it forms compact clusters in clay soil habitats. Its leaves are 8 to 25 millimeters long, either entire or occasionally with 3 lobes, creating a fine, sparse foliage structure. The plant's small fruits measure 1.5 to 2.5 millimeters long, contributing to its diminutive yet intricate botanical profile.

Habitat: Grassland, open woodland, in clay soil

Bloom period: Mar-May

Elevation: 100-200 m

Bioregions: c SNF (Madera Co.), e SnJV.

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.